# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:       加一
# Name:         demo3.06
# Description:  断言
# Author:       加一
# Date:         2019/1/22
#-------------------------------------------------------------------------------

name = "Bill"
assert name == "Bill"

age = 20
assert 0< age <10, "年龄必须小于10岁"
print("hello world")